.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

/* 背景动画装饰 */
.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 48px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 40px;
}

.login-title {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 12px 0;
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 15px;
  color: #86909c;
  margin: 0;
  font-weight: 400;
}

.login-footer {
  margin-top: 32px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

.login-footer p {
  margin: 0;
}

/* 表单项样式优化 */
.login-box .arco-form-item {
  margin-bottom: 24px;
}

.login-box .arco-input-wrapper,
.login-box .arco-input-password {
  border-radius: 8px;
  transition: all 0.3s ease;
}

.login-box .arco-input-wrapper:hover,
.login-box .arco-input-password:hover {
  border-color: #667eea;
}

.login-box .arco-input-wrapper:focus-within,
.login-box .arco-input-password:focus-within {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-box .arco-btn-primary {
  height: 44px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  transition: all 0.3s ease;
}

.login-box .arco-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.login-box .arco-btn-primary:active {
  transform: translateY(0);
}

.login-box .arco-form-label-item > label {
  font-weight: 500;
  color: #1d2129;
}

